```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>KBHGames - 免费在线游戏平台</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css">
    <link rel="stylesheet" href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
        }
        .game-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .category-icon {
            transition: all 0.3s ease;
        }
        .category-card:hover .category-icon {
            transform: scale(1.1);
        }
        .hover-scale {
            transition: transform 0.3s ease;
        }
        .hover-scale:hover {
            transform: scale(1.05);
        }
    </style>
</head>
<body class="antialiased">
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 md:py-32 px-4 md:px-0">
        <div class="container mx-auto max-w-6xl px-4 md:px-6">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0">
                    <h1 class="text-4xl md:text-5xl lg:text-6xl font-bold mb-6 leading-tight">探索无限游戏世界</h1>
                    <p class="text-xl md:text-2xl mb-8 opacity-90">KBHGames 为您提供海量免费在线游戏，随时随地享受游戏乐趣</p>
                    <div class="flex flex-col sm:flex-row gap-4">
                        <a href="#games" class="bg-white text-indigo-600 hover:bg-gray-100 px-6 py-3 rounded-lg font-semibold text-lg transition duration-300 hover-scale text-center">
                            <i class="fas fa-gamepad mr-2"></i>浏览游戏
                        </a>
                        <a href="https://kbhgames.com/" target="_blank" class="border-2 border-white text-white hover:bg-white hover:text-indigo-600 px-6 py-3 rounded-lg font-semibold text-lg transition duration-300 hover-scale text-center">
                            <i class="fas fa-external-link-alt mr-2"></i>访问官网
                        </a>
                    </div>
                </div>
                <div class="md:w-1/2 flex justify-center">
                    <img src="https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-1.2.1&auto=format&fit=crop&w=500&q=80" alt="游戏世界" class="rounded-xl shadow-2xl w-full max-w-md hover-scale transition-transform duration-300">
                </div>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section class="py-16 px-4 bg-white">
        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4">为什么选择 KBHGames?</h2>
                <p class="text-lg text-gray-600 max-w-2xl mx-auto">无需下载，即刻畅玩数千款高质量游戏</p>
            </div>
            <div class="grid grid-cols-1 md:grid-cols-3 gap-8">
                <div class="bg-gray-50 p-8 rounded-xl hover:shadow-lg transition duration-300">
                    <div class="w-16 h-16 bg-indigo-100 text-indigo-600 rounded-full flex items-center justify-center mb-6">
                        <i class="fas fa-globe text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">完全免费</h3>
                    <p class="text-gray-600">所有游戏均可免费游玩，无需注册或下载</p>
                </div>
                <div class="bg-gray-50 p-8 rounded-xl hover:shadow-lg transition duration-300">
                    <div class="w-16 h-16 bg-purple-100 text-purple-600 rounded-full flex items-center justify-center mb-6">
                        <i class="fas fa-th-large text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">丰富分类</h3>
                    <p class="text-gray-600">动作、解谜、体育、教育等多类别游戏</p>
                </div>
                <div class="bg-gray-50 p-8 rounded-xl hover:shadow-lg transition duration-300">
                    <div class="w-16 h-16 bg-pink-100 text-pink-600 rounded-full flex items-center justify-center mb-6">
                        <i class="fas fa-chart-line text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">热门精选</h3>
                    <p class="text-gray-600">定期更新最受欢迎和新发布的游戏</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Game Categories -->
    <section class="py-16 px-4 bg-gray-50" id="games">
        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4">热门游戏分类</h2>
                <p class="text-lg text-gray-600 max-w-2xl mx-auto">探索您最爱的游戏类型</p>
            </div>
            <div class="grid grid-cols-2 md:grid-cols-4 gap-6">
                <a href="#" class="category-card bg-white p-6 rounded-xl shadow-sm hover:shadow-md transition duration-300 text-center">
                    <div class="category-icon bg-indigo-100 text-indigo-600 w-16 h-16 rounded-full flex items-center justify-center mx-auto mb-4">
                        <i class="fas fa-running text-2xl"></i>
                    </div>
                    <h3 class="font-semibold text-lg mb-2">动作游戏</h3>
                    <p class="text-gray-500 text-sm">刺激的战斗与冒险</p>
                </a>
                <a href="#" class="category-card bg-white p-6 rounded-xl shadow-sm hover:shadow-md transition duration-300 text-center">
                    <div class="category-icon bg-blue-100 text-blue-600 w-16 h-16 rounded-full flex items-center justify-center mx-auto mb-4">
                        <i class="fas fa-puzzle-piece text-2xl"></i>
                    </div>
                    <h3 class="font-semibold text-lg mb-2">解谜游戏</h3>
                    <p class="text-gray-500 text-sm">挑战智力与逻辑</p>
                </a>
                <a href="#" class="category-card bg-white p-6 rounded-xl shadow-sm hover:shadow-md transition duration-300 text-center">
                    <div class="category-icon bg-green-100 text-green-600 w-16 h-16 rounded-full flex items-center justify-center mx-auto mb-4">
                        <i class="fas fa-users text-2xl"></i>
                    </div>
                    <h3 class="font-semibold text-lg mb-2">多人游戏</h3>
                    <p class="text-gray-500 text-sm">与朋友一起玩乐</p>
                </a>
                <a href="#" class="category-card bg-white p-6 rounded-xl shadow-sm hover:shadow-md transition duration-300 text-center">
                    <div class="category-icon bg-yellow-100 text-yellow-600 w-16 h-16 rounded-full flex items-center justify-center mx-auto mb-4">
                        <i class="fas fa-graduation-cap text-2xl"></i>
                    </div>
                    <h3 class="font-semibold text-lg mb-2">教育游戏</h3>
                    <p class="text-gray-500 text-sm">在游戏中学习知识</p>
                </a>
            </div>
        </div>
    </section>

    <!-- Popular Games -->
    <section class="py-16 px-4 bg-white">
        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4">热门游戏推荐</h2>
                <p class="text-lg text-gray-600 max-w-2xl mx-auto">玩家最爱的游戏精选</p>
            </div>
            <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-8">
                <div class="game-card bg-white rounded-xl overflow-hidden shadow-md transition duration-300">
                    <img src="https://images.unsplash.com/photo-1547036967-23d11aacaee0?ixlib=rb-1.2.1&auto=format&fit=crop&w=500&q=80" alt="Friday Night Funkin'" class="w-full h-48 object-cover">
                    <div class="p-6">
                        <div class="flex justify-between items-start mb-2">
                            <h3 class="text-xl font-bold">Friday Night Funkin'</h3>
                            <span class="bg-indigo-100 text-indigo-800 text-xs font-semibold px-2.5 py-0.5 rounded">热门</span>
                        </div>
                        <p class="text-gray-600 mb-4">节奏感十足的音乐游戏，挑战你的反应速度</p>
                        <a href="#" class="text-indigo-600 font-medium flex items-center">
                            立即游玩 <i class="fas fa-chevron-right ml-1 text-sm"></i>
                        </a>
                    </div>
                </div>
                <div class="game-card bg-white rounded-xl overflow-hidden shadow-md transition duration-300">
                    <img src="https://images.unsplash.com/photo-1612287230202-1ff1d85d1b15?ixlib=rb-1.2.1&auto=format&fit=crop&w=500&q=80" alt="Super Smash Flash 2" class="w-full h-48 object-cover">
                    <div class="p-6">
                        <div class="flex justify-between items-start mb-2">
                            <h3 class="text-xl font-bold">Super Smash Flash 2</h3>
                            <span class="bg-purple-100 text-purple-800 text-xs font-semibold px-2.5 py-0.5 rounded">格斗</span>
                        </div>
                        <p class="text-gray-600 mb-4">经典格斗游戏的Flash版本，支持多人对战</p>
                        <a href="#" class="text-indigo-600 font-medium flex items-center">
                            立即游玩 <i class="fas fa-chevron-right ml-1 text-sm"></i>
                        </a>
                    </div>
                </div>
                <div class="game-card bg-white rounded-xl overflow-hidden shadow-md transition duration-300">
                    <img src="https://images.unsplash.com/photo-1585771724684-38269d6639fd?ixlib=rb-1.2.1&auto=format&fit=crop&w=500&q=80" alt="FNF: Internet Oddities" class="w-full h-48 object-cover">
                    <div class="p-6">
                        <div class="flex justify-between items-start mb-2">
                            <h3 class="text-xl font-bold">FNF: Internet Oddities</h3>
                            <span class="bg-pink-100 text-pink-800 text-xs font-semibold px-2.5 py-0.5 rounded">新游</span>
                        </div>
                        <p class="text-gray-600 mb-4">基于Friday Night Funkin'的全新MOD版本</p>
                        <a href="#" class="text-indigo-600 font-medium flex items-center">
                            立即游玩 <i class="fas fa-chevron-right ml-1 text-sm"></i>
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Data Visualization -->
    <section class="py-16 px-4 bg-gray-50">
        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4">游戏类型分布</h2>
                <p class="text-lg text-gray-600 max-w-2xl mx-auto">KBHGames平台游戏类型占比分析</p>
            </div>
            <div class="bg-white p-6 rounded-xl shadow-sm">
                <div class="mermaid">
                    pie title 游戏类型分布
                        "动作游戏" : 35
                        "解谜游戏" : 25
                        "多人游戏" : 20
                        "体育游戏" : 10
                        "教育游戏" : 5
                        "其他" : 5
                </div>
            </div>
        </div>
    </section>

    <!-- CTA Section -->
    <section class="py-20 px-4 bg-indigo-700 text-white">
        <div class="container mx-auto max-w-4xl text-center">
            <h2 class="text-3xl md:text-4xl font-bold mb-6">准备好开始游戏了吗?</h2>
            <p class="text-xl mb-8 opacity-90">立即访问KBHGames，探索数千款免费在线游戏</p>
            <a href="https://kbhgames.com/" target="_blank" class="inline-block bg-white text-indigo-600 hover:bg-gray-100 px-8 py-4 rounded-lg font-semibold text-lg transition duration-300 hover-scale">
                <i class="fas fa-play mr-2"></i>开始游戏
            </a>
        </div>
    </section>

    <!-- Footer -->
    <footer class="bg-gray-900 text-gray-300 py-12 px-4">
        <div class="container mx-auto max-w-6xl">
            <div class="flex flex-col md:flex-row justify-between items-center">
                <div class="mb-6 md:mb-0">
                    <h3 class="text-xl font-bold text-white mb-2">技术小馆</h3>
                    <p class="text-gray-400">探索技术与创意的交汇点</p>
                </div>
                <div>
                    <a href="http://www.yuque.com/jtostring" target="_blank" class="text-gray-400 hover:text-white transition duration-300">
                        <i class="fas fa-external-link-alt mr-2"></i>访问技术小馆
                    </a>
                </div>
            </div>
            <div class="border-t border-gray-800 mt-8 pt-8 text-center text-gray-500 text-sm">
                <p>© 2023 KBHGames 游戏平台介绍. 本站仅为介绍用途。</p>
            </div>
        </div>
    </footer>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            themeVariables: {
                pie1: '#4f46e5',
                pie2: '#7c3aed',
                pie3: '#a855f7',
                pie4: '#c084fc',
                pie5: '#d8b4fe',
                pie6: '#e9d5ff'
            }
        });
    </script>
</body>
</html>
```